January Weather in Straffan, Ireland

Last updated: March 17, 2025

In January, Straffan, Ireland experiences a chill that sets the tone for the month. With maximum temperatures reaching 13°C (56°F) and a chilly average of 5°C (42°F), residents and visitors alike should brace for the coldest nights, often dipping to a brisk -5°C (24°F). This month also brings a fair share of rain, as precipitation totals around 55 mm (2.2 in) over approximately 10 days, contributing to the high humidity levels of 85%. Whether exploring the scenic countryside or enjoying cozy indoor activities, January's weather in Straffan calls for warm clothing and preparedness for the elements.

January Temperature in Straffan

In Straffan, Ireland, January serves as a month of notable chill, with temperatures dipping as low as -5°C (24°F) at night and peaking only at 13°C (56°F) during the day. The average temperature hovers around 5°C (42°F), setting a characteristically brisk tone for the winter. As the month progresses into February, there's a slight warming trend, with minimums rising and maximums reaching up to 16°C (60°F). This gradual increase carries into March, where both averages and maximums continue to climb, hinting at the promise of spring just around the corner. Overall, January's nippy air gives way to a slow but steady transition into milder conditions, making it a transitional yet captivating month in Straffan.

January Weather in Straffan: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Straffan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414344475257615956514543
Data source: Temperature data for Straffan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Straffan

January in Straffan, Ireland, sets the stage for a typically damp winter, with 55 mm (2.2 in) of precipitation over the month, falling on 10 days. This amount marks the beginning of a gradual increase in rainfall as the year progresses, with February and March showing significant upticks to 79 mm and 81 mm respectively. As spring unfolds, precipitation levels continue to fluctuate; however, it generally remains higher in the late summer and autumn months, peaking in August with 94 mm (3.7 in). The pattern indicates a climate where early winter rain gives way to a wetter mid-year, reflecting Ireland's dynamic weather and the notable seasonality in its precipitation trends.

January Precipitation Trends in Straffan

The chart displays monthly precipitation patterns in Straffan, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec557981517273789468828890
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Straffan

In January, Straffan, Ireland, experiences a high humidity level of 85%, setting the tone for a damp winter month. This level of humidity is representative of the region's typical climate, which maintains a consistent range throughout the year. As the months progress into February and March, there’s a slight uptick to 86%, which remains stable until April. The humidity then sees a minor dip to 85% before fluctuating slightly during the warmer months, with May at 83% and returning to a more familiar 85% by June. The summer months see a resurgence as levels bounce back to 86% for both July and September. Overall, the humidity remains quite steady, showcasing Straffan's characteristic moist climate, with the highest readings in October at 87%, gradually tapering off to a cozy 84% by December.

January Average Humidity in Straffan

This chart illustrates the average monthly humidity levels in Straffan, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Straffan

In January, Straffan, Ireland experiences a low UV Index of 1, indicating minimal sun exposure risk, with a burn time of 45 minutes. As winter transitions into spring, February maintains the same UV Index but inches slightly higher in March, reaching a moderate level of 4. This moderate trend continues into April with a UV Index of 5. From May onwards, the UV Index escalates more significantly, peaking at 8 in both June and July, marking a shift to very high exposure levels, where the burn time drops to just 15 minutes. As summer wanes, August sees a decrease to a high index of 7, transitioning back to moderate indices in September and October. The year closes with a return to low UV levels in November and December, echoing the protective qualities of winter. For more insights on UV trends, visit Straffan UV Index.

Maximum UV Index Levels in Straffan for January

The chart shows the monthly maximum UV Index (UVI) for Straffan in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Straffan January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Straffan

In January, Straffan, Ireland, witnesses just 83 hours of sunshine, setting a modest tone for the year ahead. However, as February rolls in, the sun begins to shine brighter with 147 hours, hinting at the gradual approach of spring. The trend continues into March, where daylight increases to 191 hours, invigorating the landscape. With April bursting forth at 311 hours, the sunny days multiply, paving the way for the vibrant glow of May, which boasts an impressive 391 hours of sunshine. This peak illuminates the lush surroundings before a slight dip during the summer months of June and July, each with a steady 385 hours. As summer fades into autumn, sunshine begins to dwindle; August captures 339 hours, followed by September with 294 hours, and a more pronounced reduction in the final quarter. October yields 230 hours as the days grow shorter, leading to the grey of winter with just 120 hours in November and a modest 95 hours to close the year in December. This seasonal rhythm paints a picturesque portrait of Straffan's changing climates, where each month invites its unique experience of light.

Monthly Sunshine Duration in Straffan: January Highlighted

The January sunshine duration represents the total number of hours Straffan experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec83h147h191h311h391h385h385h339h294h230h120h95h
Data source: Straffan January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Straffan During January

In Straffan, Ireland, January typically offers a 24% chance of sunny weather, marking a modest beginning to the year. This slight glimmer of sunshine sets the stage for February, which sees a dip to 21%, suggesting a continuation of the winter’s overcast skies. As spring approaches in March, the sunny probabilities remain stagnant at 21%, indicating a reluctance for clearer skies. However, come April, the 43% chance of sun signifies a notable shift, heralding brighter days ahead. This upward trend in sunshine continues inconsistently into late spring and summer, with May at 31% and June dipping back to 22%, while July and August hover around 29% and 24%, respectively. The likelihood of sun then wanes again in the fall and winter months, but January’s 24% mark is a hopeful reminder that even in the depths of winter, a few sunny days can break through the cloud cover.

Percentage of Sunny Days in January in Straffan

The chart illustrates the percentage of sunny days in Straffan throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Straffan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%21%21%43%31%22%29%24%19%18%25%22%
Data source: Straffan January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Straffan in January

In Straffan, Ireland, the daylight duration experiences a captivating transformation throughout the year. Starting in January with just 8 hours of daylight, the days gradually lengthen, reaching a peak of 16 hours in both June and July. As summer fades, the hours of sunlight begin to dwindle, dropping to 14 hours in August and tapering further to 12 hours by September. The descent continues into the colder months, with October offering 10 hours and shortening to a mere 7 hours in December. This rhythm of light not only marks the changing seasons but also invites residents and visitors alike to embrace the natural beauty of each transformation, from winter's crispness to summer's vibrant glow.

Average Daylight Hours in Straffan for January

The chart illustrates the variation in daylight duration in Straffan throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 21m14h 39m12h 37m10h 30m8h 36m7h 35m
Data source: Straffan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Straffan

In Straffan, Ireland, the January winds bring a gentle breeze, averaging 3.9 m/s (9 mph), setting the stage for a month that feels both refreshing and invigorating. As winter transitions into spring, wind speeds generally increase, peaking in February at 5.4 m/s (12 mph) before settling into a more variable pattern. March sees a dip to 4.3 m/s (10 mph), followed by the calmest of months in July, where the winds ease to 2.6 m/s (6 mph). However, as the year progresses, the winds gradually regain their strength, returning to a brisk 4.3 m/s (10 mph) in both October and December. This fluctuation not only brings variety to the landscape but also reflects the playful character of Ireland's climate throughout the year.

Average January Wind Speed in Straffan

The chart displays monthly wind speed patterns in Straffan, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.9 m/s5.44.33.13.63.42.63.33.14.34.14.3
Data source: Straffan January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Straffan Compares to Other Months

The weather in Straffan changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Straffan and find detailed weather information for every month.

January and February showcase a gradual warming trend, with February generally milder than its predecessor. In January, temperatures vary from a chilly minimum of -5°C (24°F) to an average of 5°C (42°F), peaking at 13°C (56°F), while February sees a slight increase, with lows of -3°C (27°F), an average of 6°C (43°F), and highs reaching 16°C (60°F). Precipitation also rises in February, with 79 mm (3.1 in) over 15 days compared to January's 55 mm (2.2 in) over 10 days. The humidity remains quite high in both months, slightly increasing from 85% in January to 86% in February. For more details on February weather conditions, you can check Straffan weather in February.

In January, the weather tends to be quite cold, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 13°C (56°F), along with an average temperature of 5°C (42°F). Precipitation is moderate, totaling around 55 mm (2.2 in) over 10 days, while humidity remains high at 85%.

In contrast, March shows a slight warming trend, with temperatures dipping only to -6°C (22°F) and reaching up to 17°C (63°F), resulting in an average of 7°C (44°F). However, it is also a wetter month, with precipitation increasing to 81 mm (3.2 in) over 16 days, alongside a similar humidity level of 86%. For more detailed insights, you can check Straffan weather in March.

In comparing the weather between January and April, we observe a noticeable increase in temperatures. January features a minimum of -5°C (24°F) and an average of 5°C (42°F), while by April, these figures rise to a minimum of -3°C (27°F) and an average of 8°C (47°F). The maximum temperature jumps significantly from January's 13°C (56°F) to April's 21°C (69°F). Precipitation levels are relatively similar, with January receiving 55 mm (2.2 in) over about 10 days and April slightly less at 51 mm (2.0 in) across 11 days. Interestingly, humidity remains consistent at 85% in both months. For more detailed insights, you can visit Straffan weather in April.

In January, temperatures in Straffan range from a chilly -5°C (24°F) to a mild 13°C (56°F), with an average of 5°C (42°F). The month experiences significant humidity at 85% and sees about 55 mm (2.2 in) of precipitation over 10 days. In contrast, May brings warmer weather, with temperatures varying from -1°C (30°F) to a pleasant 23°C (74°F) and an average of 11°C (53°F). Despite slightly higher precipitation at 72 mm (2.8 in) spread over 13 days, humidity remains slightly lower at 83%. For more details on the weather specifics, you can visit Straffan weather in May.

January and June present contrasting weather conditions. In January, temperatures range from a chilly -5°C (24°F) at night to a mild 13°C (56°F) during the day, with an average of 5°C (42°F). While precipitation measures 55 mm (2.2 in) over about 10 days, the humidity remains high at 85%, giving the month a damp feel. In contrast, June showcases a much warmer climate, with minimum temperatures starting at 5°C (41°F) and soaring to a maximum of 27°C (80°F), averaging 14°C (58°F). Rainfall increases slightly to 73 mm (2.9 in) over 14 days, yet the humidity remains consistent at 85%. For more detailed information about the weather in June, you can visit Straffan weather in June.

In January, the weather is notably colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 13°C (56°F) and an average temperature of 5°C (42°F). The month sees about 55 mm (2.2 in) of precipitation over approximately 10 days, accompanied by a high humidity of 85%. In contrast, July experiences milder and more pleasant temperatures, with a minimum of 7°C (44°F), an average of 16°C (61°F), and a maximum of 27°C (81°F). Precipitation increases slightly to 77 mm (3.0 in), occurring over 13 days, while humidity remains relatively stable at 86%. For a closer look at the July weather specifics, visit Straffan weather in July.

January and August present stark contrasts in weather conditions. In January, temperatures range from a chilly -5°C (24°F) to a maximum of 13°C (56°F), with an average of 5°C (42°F), while August enjoys milder temperatures, with lows of 6°C (43°F) and highs reaching 24°C (75°F), averaging around 15°C (60°F). Additionally, January experiences about 55 mm (2.2 in) of precipitation over approximately 10 days, while August has a higher total of 94 mm (3.7 in) spread across 17 days, indicating a wetter month despite similar humidity levels of 85%. For more detailed insights, visit Straffan weather in August.

In January, temperatures typically range from a chilly -5°C (24°F) at night to a mild 13°C (56°F) during the day, while September showcases a broader range with lows of 2°C (35°F) and highs reaching up to 24°C (76°F). January experiences an average of 55 mm (2.2 in) of precipitation over about 10 days, whereas September sees slightly higher precipitation at 68 mm (2.7 in) across 13 days, indicating a wetter month. Humidity levels remain quite similar, with January at 85% and September a tad higher at 86%. For a detailed look at September weather in Straffan, you can visit Straffan weather in September.

In January, temperatures range from a chilly -5°C (24°F) to a mild 13°C (56°F), with an average of 5°C (42°F), while October sees a more comfortable range from 0°C (32°F) to 19°C (67°F), averaging 10°C (51°F). Both months experience significant precipitation, with January recording 55 mm (2.2 in) over about 10 days, compared to October's 82 mm (3.2 in) across 13 days. Additionally, humidity levels are fairly similar, with January at 85% and October slightly higher at 87%. For more detailed insights on October weather, you can visit Straffan weather in October.

January and November exhibit noticeable differences in weather patterns. January typically experiences colder temperatures, with a minimum of -5°C (24°F) and an average of 5°C (42°F), whereas November is milder, with a minimum of -1°C (30°F) and an average of 7°C (46°F). Precipitation levels are higher in November, totaling 88 mm (3.5 in) over 14 days, compared to January's 55 mm (2.2 in) across 10 days. Both months have high humidity levels, with January at 85% and November slightly higher at 86%. For more detailed insights about November weather, you can check Straffan weather in November.

In comparing the weather between January and December, January generally experiences slightly cooler temperatures, with a minimum of -5°C (24°F) and an average of 5°C (42°F), compared to December's minimum of -4°C (25°F) and average of 6°C (43°F). Both months share the same maximum temperature of 13°C (56°F), but December tends to be wetter, accumulating 90 mm (3.5 in) of precipitation over approximately 15 days, whereas January has 55 mm (2.2 in) over about 10 days. Humidity levels are quite similar, with January at 85% and December slightly lower at 84%. For more detailed insights, check out Straffan weather in December.

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Conclusion: What to Expect From January Weather in Straffan

As winter settles in, January in Straffan brings noticeably cooler temperatures and increased humidity compared to the rest of the year. With the average temperature hovering around 5°C (42°F) and nighttime lows occasionally dipping to -5°C (24°F), the chill is palpable. Unlike the milder and often drier months ahead, January also sees a significant number of rainy days, making up 10 days of precipitation with a total of 55 mm (2.2 in). This combination of cold and dampness sets January apart, inviting residents and visitors alike to embrace the beauty of winter while often seeking the coziness of indoor activities. For more insights into the weather patterns throughout the year, check out Straffan Climate.